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Finding the Fourth Proportional to 79,124, 109,191.12 and 43,796

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Solution

The fourth proportional to 79,124, 109,191.12 and 43,796 is: 60,438.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,124 : 109,191.12 = 43,796 : x
  2. Step 2: Convert to fraction form
    79,124/109,191.12 = 43,796/x
  3. Step 3: Cross multiply
    79,124x = 109,191.12 × 43,796
  4. Step 4: Simplify right side
    79,124x = 4,782,134,291.52
  5. Step 5: Solve for x
    x = 4,782,134,291.52/79,124
  6. Step 6: Final answer
    x = 60,438.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.